John Deere 6403: all source data
All 82 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Utility tractor |
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| (no label) | Built in Saltillo, Mexico |
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| (no label) | Original price was $30,942 in 2004 with 2WD |
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Engine| (no label) | John Deere 4.5L 4-cyl diesel |
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| Fuel tank | 41.7 gal | 157.8 L |
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Transmission| (no label) | 9-speed partially synchronized |
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Power| Engine | 102 hp | 76.1 kW |
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| PTO (claimed) | 85 hp | 63.4 kW |
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| Drawbar (tested) | 72.87 hp | 54.3 kW |
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| PTO (tested) | 89.43 hp | 66.7 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| Final drives | inboard planetary |
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| Differential lock | mechanical rear |
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| (no label) | Power steering |
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| (no label) | Mechanical wet disc brakes |
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| (no label) | Two-post folding ROPS. ComfortVantage Cab optional. |
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Hydraulics| Type | open center |
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| Pressure | 2750 psi | 189.6 bar |
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| Rear valves | 2 or 3 |
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| Pump flow | 12.1 gpm | 45.8 lpm |
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| Total flow | 15 gpm | 56.8 lpm |
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Hitch| Rear Type | II |
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| Control | mechanical lower-link draft sensing |
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| Rear lift (at 24"/610mm) | 4828 lbs | 2189 kg |
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Pto| Rear PTO | independent |
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| Clutch | dry disc |
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| Rear PTO Type | 540/1000 |
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| Engine RPM | 540@2100 |
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| Engine RPM | 1000@2100 |
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Dimensions| 2WD Wheelbase (2WD) | 91.3 inches | 231 cm |
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| 4WD Wheelbase (4WD) | 90.9 inches | 230 cm |
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| Weight | 7695 to 8987 pounds |
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| Front tire | 10.00-16 |
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| Rear tire | 18.4-34 |
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Serial location| (no label) | Serial number plate on the right side of the tractor frame, above the front axle. |
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Electrical| Ground | negatve |
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| Charging system | alternator |
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| Charging amps | 65 |
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| Battery CCA | 925 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | turbocharged diesel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 276 ci | 4.5 L |
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| Bore/Stroke | 4.19x5.00 inches | 106 x 127 mm |
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| Power | 102 hp | 76.1 kW |
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| Compression | 17:1 |
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| Rated RPM | 2100 |
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| Firing order | 1-3-4-2 |
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| Starter volts | 12 |
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| Oil capacity | 13 qts | 12.3 L |
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| Coolant capacity (Coolant) | 14.3 qts | 13.5 L |
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Transmission
Transmission| Transmission | Top Shaft Synchronized (TSS) |
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| Type | partially synchronized |
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| Gears | 9 forward and 3 reverse |
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| Clutch | 305mm cerametalic dry disc |
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| (no label) | Three gears (1-3), plus reverse, (R) in three ranges (A-C). Gear shifts are synchronized. Tractor must be stopped to shift range. |
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Dimensions
Tires| Standard tires (ag) | Front: 10.00-16. Rear: 18.4-34 |
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| Standard tires (ag) | Front: 13.6-24. Rear: 18.4-34 |
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Dimensions| 2WD Wheelbase (2WD) | 91.3 inches | 231 cm |
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| 4WD Wheelbase (4WD) | 90.9 inches | 230 cm |
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| 2WD Length (2WD) | 162.4 inches | 412 cm |
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| 4WD Length (4WD) | 163.1 inches | 414 cm |
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| Width | 73 inches (rear fenders) | 185 cm |
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| Flanged rear axle (Flanged) | 65.8 inch length | 1671 mm |
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| 2WD Front tread | 58.7 to 80.4 inches | 149 to 204 cm |
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| 4WD Front tread | 59.7 to 79.4 inches | 151 to 201 cm |
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| Rear tread | 59.5 to 79.4 inches | 151 to 201 cm |
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Weight| 2WD ROPS Shipping (2WD ROPS) | 7695 lbs | 3490 kg |
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| 4WD ROPS Shipping (4WD ROPS) | 8130 lbs | 3687 kg |
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| 2WD Cab Shipping (2WD Cab) | 8580 lbs | 3891 kg |
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| 4WD Cab Shipping (4WD Cab) | 8987 lbs | 4076 kg |
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| 4WD ROPS Operating (4WD ROPS) | 8750 lbs | 3969 kg |
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| Ballasted | 11515 lbs | 5223 kg |
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Height| Steering wheel | 80.3 inches | 203 cm |
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| 2WD Hood (2WD) | 68.3 inches | 173 cm |
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| 4WD Hood (4WD) | 67.9 inches | 172 cm |
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| ROPS | 108.7 inches | 276 cm |
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| Height (Folded ROPS) | 81.4 inches | 206 cm |
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| Exhaust | 113.5 inches | 288 cm |
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